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#11fff9

a balanced, electric cyan · cool · closest name: cyan

RGB
17, 255, 249
HSL
179°, 100%, 53%
CMYK
93, 0, 2, 0
Luminance
0.7848

Every format

HEX#11fff9
RGBrgb(17, 255, 249)
HSLhsl(179, 100%, 53%)
CMYKcmyk(93%, 0%, 2%, 0%)
LABlab(91.0 -49.4 -11.2)
LCHlch(91.0 50.7 192.8)
OKLCHoklch(0.904 0.154 191.7)

Copy-ready code

/* CSS */
color: #11fff9;
background-color: #11fff9;
/* Tailwind (arbitrary) */
class="text-[#11fff9] bg-[#11fff9]"
/* SCSS */
$brand: #11fff9;
/* SwiftUI */
Color(red: 0.067, green: 1.000, blue: 0.976)
/* Android */
Color.parseColor("#11fff9")

Accessibility — WCAG contrast

Aa
#11fff9 on white: 1.26:1
AA ✗ fail · AA-large · AAA
Aa
#11fff9 on black: 16.70:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red6.7%
Green100.0%
Blue97.6%

CMYK percentages

Cyan93.3%
Magenta0.0%
Yellow2.4%
Key (black)0.0%

Color previews

#11fff9 text on a black background

contrast 16.70:1

Card sample

#11fff9 text on a white background

contrast 1.26:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #11fff9;
Background color
Panel with #11fff9 background
background-color: #11fff9;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #11fff9;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(17, 255, 249, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 255, 249, 0.45);
Border & gradient
Gradient panel
border: 3px solid #11fff9;
background: linear-gradient(135deg, #11fff9, #1166FF);

Monochromatic scale

Palettes built from #11fff9

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #11fff9 in the Color Lab